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Mailing lists / fpc-pascal / 2006-12

How to choose a free software license (was LGPL vs MPL)

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Graeme Geldenhuys

Hi,

I finally found a website that describes the licenses in plain English which is easy to understand. I always struggle to understand the different licenses and how to decide on a license for my software I develop.

Hope others will find the link useful.

http://www.dina.kvl.dk/~abraham/rants/license.html

Graeme Geldenhuys There's no place like S34° 03.168' E018° 49.342'

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Graeme Geldenhuys
to Gustavo Enrique Jimenez
Gustavo Enrique Jimenez wrote
when in doubt, I use LGPL

Unfortunately Gustavo, it isn't that simple. :-)
Take the fpGUI widget set I am working on. As it stands now, when you create applications using the fpGUI widget set, it compiles straight into you code, not as a separate linked library.

This means, using the stock standard LGPL, nobody may write commercial (closed source) applications using the fpGUI widget set! This is stupid and not what I intended.

I want the developer to use the fpGUI widget set as they please, but whatever they change or add to the widget set needs to be published. For this to work I had to use the Modified LGPL (as used by Lazarus and FPC) or use the MPL license.

Graeme Geldenhuys There's no place like S34° 03.168' E018° 49.342'

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